From a6c82c251a6a1871bcf9a7e9890455f40d84e0a3 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 16 七月 2024 15:55:48 +0800
Subject: [PATCH] 输出png图片
---
src/main/java/com/se/simu/controller/WaterController.java | 32 ++++++++++++++++++++++++++++----
1 files changed, 28 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/se/simu/controller/WaterController.java b/src/main/java/com/se/simu/controller/WaterController.java
index 1e50750..32a55a3 100644
--- a/src/main/java/com/se/simu/controller/WaterController.java
+++ b/src/main/java/com/se/simu/controller/WaterController.java
@@ -15,6 +15,7 @@
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
+import java.io.File;
/**
* 鍐呮稘鎺у埗鍣�
@@ -32,7 +33,7 @@
private final static int MIN_SIZE = 10;
- private final static int MAX_SIZE = 10000000;
+ private final static int MAX_SIZE = 80000;
private final static long Y2000 = 949334400000L;
@@ -67,7 +68,8 @@
return;
}
- //
+ String file = waterService.getTerraMap(serviceName, width, height);
+ writeFile(file, res);
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
WebHelper.writeStr2Page(res, HttpStatus.INTERNAL_SERVER_ERROR, ex.getMessage());
@@ -82,7 +84,8 @@
return;
}
- //
+ String file = waterService.getWaterMap(serviceName, width, height);
+ writeFile(file, res);
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
WebHelper.writeStr2Page(res, HttpStatus.INTERNAL_SERVER_ERROR, ex.getMessage());
@@ -97,7 +100,8 @@
return;
}
- //
+ String file = waterService.getFlowMap(serviceName, width, height, timestamp);
+ writeFile(file, res);
} catch (Exception ex) {
log.error(ex.getMessage(), ex);
WebHelper.writeStr2Page(res, HttpStatus.INTERNAL_SERVER_ERROR, ex.getMessage());
@@ -116,6 +120,9 @@
return validate(serviceName, width, height, Y2000, res);
}
+ /**
+ * 楠岃瘉
+ */
private boolean validate(String serviceName, Integer width, Integer height, Long timestamp, HttpServletResponse res) {
if (StringHelper.isEmpty(serviceName)) {
return WebHelper.writeJson2Page(res, HttpStatus.BAD_REQUEST, "鏈嶅姟鍚嶄笉鑳戒负绌�");
@@ -132,4 +139,21 @@
return true;
}
+
+ /**
+ * 鍐欐枃浠�
+ */
+ private boolean writeFile(String path, HttpServletResponse res) throws Exception {
+ if (StringHelper.isEmpty(path)) {
+ return WebHelper.writeJson2Page(res, HttpStatus.INTERNAL_SERVER_ERROR, "鐢熸垚PNG澶辫触");
+ }
+ File file = new File(path);
+ if (!file.exists() || file.isDirectory()) {
+ return WebHelper.writeJson2Page(res, HttpStatus.INTERNAL_SERVER_ERROR, "PNG鏂囦欢鎵句笉鍒�");
+ }
+
+ WebHelper.download(path, file.getName(), res);
+
+ return true;
+ }
}
--
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